Shower controller



FIG. 1 is a perspective view of a shower controller of the new design;

FIG. 2 is a front elevational view of the shower controller of FIG. 1;

FIG. 3 is a left side elevational view of the shower controller of FIG. 1;

FIG. 4 is a right side elevational view of the shower controller of FIG. 1;

FIG. 5 is a top plan view of the shower controller of FIG. 1; and,

FIG. 6 is a bottom plan view of the shower controller of FIG. 1.

The portions of the Figures shown in broken lines are not part of the claimed design and are for illustration only. 

CLAIM The ornamental design for a shower controller, as shown and described. 